Segment Reporting (Details) - USD ($) $ in Millions	3 Months Ended		6 Months Ended
	Jun. 30, 2022	Jun. 30, 2021	Jun. 30, 2022	Jun. 30, 2021
Revenue and Long-Lived Assets and Goodwill by Geographic Region
Revenue	$ 3,567.2	$ 3,571.6	$ 6,977.5	$ 6,998.6
Americas
Revenue and Long-Lived Assets and Goodwill by Geographic Region
Revenue	2,049.4	2,027.8	3,956.1	4,063.6
Long-lived assets and goodwill	7,850.0	7,689.5	7,850.0	7,689.5
EMEA
Revenue and Long-Lived Assets and Goodwill by Geographic Region
Revenue	1,089.8	1,096.4	2,163.7	2,087.6
Long-lived assets and goodwill	3,282.6	3,091.1	3,282.6	3,091.1
Asia-Pacific
Revenue and Long-Lived Assets and Goodwill by Geographic Region
Revenue	428.0	447.4	857.7	847.4
Long-lived assets and goodwill	$ 661.8	$ 634.5	$ 661.8	$ 634.5